Home / 55,353.68-76,368.12-42,610.76

Finding the Fourth Proportional to 55,353.68, 76,368.12 and 42,610.76

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Solution

The fourth proportional to 55,353.68, 76,368.12 and 42,610.76 is: 58,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.68 : 76,368.12 = 42,610.76 : x
  2. Step 2: Convert to fraction form
    55,353.68/76,368.12 = 42,610.76/x
  3. Step 3: Cross multiply
    55,353.68x = 76,368.12 × 42,610.76
  4. Step 4: Simplify right side
    55,353.68x = 3,254,103,632.97
  5. Step 5: Solve for x
    x = 3,254,103,632.97/55,353.68
  6. Step 6: Final answer
    x = 58,787.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.